Georgina Sparks is back…sort of.

HBO Max's Gossip Girlsurprised fans with its latest episode by bringing back a storyline from the OG series.

As fans may recall, Georgina (Michelle Trachtenberg) gives birth to a son named Milo in season four. While she initially tells Dan Humphrey (Penn Badgley) he's the father, she later reveals that Milo is actually the son of a Russian man named Serge, whom she'd met on a plane.